Home / 394,839.10-544,876.34-213,551.24

Finding the Fourth Proportional to 394,839.10, 544,876.34 and 213,551.24

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Solution

The fourth proportional to 394,839.10, 544,876.34 and 213,551.24 is: 294,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,839.10 : 544,876.34 = 213,551.24 : x
  2. Step 2: Convert to fraction form
    394,839.10/544,876.34 = 213,551.24/x
  3. Step 3: Cross multiply
    394,839.10x = 544,876.34 × 213,551.24
  4. Step 4: Simplify right side
    394,839.10x = 116,359,018,053.66
  5. Step 5: Solve for x
    x = 116,359,018,053.66/394,839.10
  6. Step 6: Final answer
    x = 294,699.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.